Mathematics
Junior High
Resolved
答え間違ってると思いますので
(2)の計算解説お願いします
程式 18問
(2)
(3)
3x-4y=10 1110
4x+3y=30
0x3
920-12=30
@x4 +)16x +12y = /20
25x3150
5x-6y=16
3x+4y=2
20 = 6 te
x=6yz 2
6
(愛知)
(青森)
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